package collection;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class SortString {
    public static void main(String[] args) {
        List<String> list = new ArrayList<>();
        list.add("jack");
        list.add("rose");
        list.add("tom");
        list.add("jerry");
        list.add("black");
        list.add("Kobe");
        System.out.println("list原始数据："+list);

        Collections.sort(list, new Comparator<String>() {
            @Override
            public int compare(String o1, String o2) {
                return o1.length()-o2.length(); //升序
                //return o2.length()-o1.length(); //降序
            }
        });

        Collections.sort(list,((o1, o2) -> o1.length()-o2.length()));

        System.out.println("list排序后数据："+list);
        //对英文字符串排序时，会按首字母的ASCII码来排
        //若首字母相同，则比较第二个字母的ASCII，以此类推

    }
}
